Quantity is not quality, and despite its huge investment, China still struggles in many areas of science and technology.

The study showed the rapid progress of the so-called Asian Tigers, whose governments have invested heavily in technology.

Green innovation is so important that the world's largest economy has invested heavily.

State-run and private Chinese companies have invested heavily in recent years in developing drones both for export and for China's military and domestic security needs.

Innovative companies have already invested heavily in useful and user-friendly mobile versions of their websites.